American Wire Gauge (AWG) is a logarithmic stepped standardized wire gauge system used since 1857, predominantly in North America, for the diameters of ......
The Wikipedia AWG (American Wire Gauge) wire table is a comprehensive resource that provides a detailed overview of wire sizes, their diameters, and cross-sectional areas. This table is an invaluable tool for engineers, electricians, and anyone working with electrical wires, as it helps in selecting the appropriate wire size for a given application.
Before delving into the Wikipedia AWG wire table, it's essential to understand the AWG wire size system. AWG, or American Wire Gauge, is a standard used to measure the diameter of round, solid electrical wires. The system was developed in the late 19th century and has since been widely adopted across the United States and many other countries.
The AWG system is a bit counterintuitive, as larger AWG numbers correspond to smaller wire diameters. The smallest standard AWG size is 0000 (four zeros), and the largest is 40. The table below illustrates the relationship between AWG sizes and their respective diameters in millimeters (mm) and inches (in).

| AWG Size | Diameter (mm) | Diameter (in) | Cross-sectional Area (mm²) |
|---|---|---|---|
| 0000 | 12.70 | 0.500 | 127.00 |
| 40 | 0.0508 | 0.00200 | 0.00207 |
The Wikipedia AWG wire table presents a wealth of information in an easy-to-read format. The table includes columns for AWG size, diameter in millimeters and inches, cross-sectional area in square millimeters, circular mils, and gauge numbers for stranded wire.
Here's a breakdown of the columns in the table:
The Wikipedia AWG wire table serves multiple purposes, making it an indispensable resource for professionals and hobbyists alike:

The Wikipedia AWG wire table is a powerful tool that simplifies wire selection and calculation processes. By understanding the AWG wire size system and utilizing the comprehensive information provided in the table, professionals and hobbyists can work more efficiently and safely with electrical wires. Whether you're an engineer, electrician, or DIY enthusiast, the Wikipedia AWG wire table is an invaluable resource that belongs in your toolkit.
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